____ feathers help birds fly? Lions ____ fur. ____ do mammals keep warm? Elephants have ____. A: Do fish have gills? B: Yes, they do. Gills help ____ breathe. Amphibians breathe when they swim. ____ use their skin.

Missing Word Game

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?